<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>dynamic columnspan/rowspan</title>
    <link rel="help" href="https://w3c.github.io/mathml-core/#table-or-matrix-mtable">
    <meta name="assert" content="Rendering is updated after modifying rowspan">
    <link rel="match" href="columnspan-rowspan-ref.html">
    <style>
      mtd { padding: 0; }
    </style>
   <script>
    window.addEventListener("load", () => {
      // force initial layout so we're sure what we're testing against
      document.documentElement.getBoundingClientRect();
      document.getElementById('mtd').setAttribute("rowspan", 3);
      document.documentElement.classList.remove('reftest-wait');
    });
  </script>
  </head>
  <body>
    <p>This test passes if you see a green square.</p>
    <math>
      <mtable>
        <mtr>
          <mtd id="mtd" rowspan="4">
            <mspace width="50px" depth="150px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
        </mtr>
        <mtr>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
        </mtr>
        <mtr>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
        </mtr>
        <mtr>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
          <mtd>
            <mspace width="50px" depth="50px" style="background: green"/>
          </mtd>
        </mtr>
      </mtable>
    </math>
  </body>
</html>
